Vehicle power transmitting device

Details Vehicle power transmitting device Vehicle power transmitting device

2011-08-30

2011-08-30

Le, David D (Department: 3655)

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

C475S005000

Reexamination Certificate

active

08007390

ABSTRACT:
In a planetary gear unit12of a power transmitting device10, a sun gear S1is connected to an electric motor20, a carrier CA1is non-rotatably fixed to a case40, and a ring gear R1is connected to an output gear13and an oil pump30. As a result, a structure of carrier being fixed/output power being taken out via ring gear is obtained. Therefore, for example, a structure can be employed in which the ring gear and the output gear are integrated. Accordingly, as compared with a structure in which a ring gear is fixed/output power is taken out via carrier and the output gear has to be axially offset and connected to a carrier, an axial space can be omitted, to allow the power transmitting device to be downsized.

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patent: 2005/0211490 (2005-09-01), Shimizu et al.
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patent: A-2008-132941 (2008-06-01), None
Japanese Office Action issued in Japanese Patent Application No. 2008-162585 on Apr. 13, 2010 (with English translation).
Japanese Office Action issued in Japanese Application No. 2008-162585, dated Jan. 4, 2011 with English Translation.

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